Re: [Dtls-iot] Updated BOF information

[Göran Selander <[e-mail]>]

Hi Corinna, Olaf,

I'm also interested in this discussion.

I didn't intend to complain on lack of feedback. Here are my concerns:

  1.  To find a home for work on authorization and access control in constrained environments. The proposals on the table are really building on DTLS and COAP, so either CORE or DICE seems right to me. In the CORE WG there were a set of people showing hands of interest.
  2.  To be able to work on this now as there is a potential dependence on other ongoing things (e.g. access control in resource directory).
  3.  To make sure that the CORE and "DTLS in constrained environments"-related questions brought up in these drafts are coordinated with CORE and DICE. This includes stuff like DTLS client and server key provisioning schemes alternative to the CoAP security modes and the use of these for DoS mitigation in DTLS.

Regards,
Göran



From: Corinna Schmitt <[e-mail]<mailto:[e-mail]>>
Date: Tuesday, July 30, 2013 11:51 AM
To: Olaf Bergmann <[e-mail]<mailto:[e-mail]>>
Cc: Zach Shelby <[e-mail]<mailto:[e-mail]>>, "[e-mail]<mailto:[e-mail]>" <[e-mail]<mailto:[e-mail]>>
Subject: Re: [Dtls-iot] Updated BOF information

Dear Olaf,

thanks for your remark.
I think authentication is a big topic especially for constraint devices.

And yes, I agree for team up.
Due to many travelling I will arrive in Berlin late afternoon and have to leave tomorrow evening again.
Perhaps we can find some time to discuss it  as soon as possible. Tomorrow morning I am free. So if any one has time we can meet.
I stay at the Pestana Berlin Tiergarten, but will be at the meeting location after breakfast.

For the dinner tonight I have no ticket. So I cannot join if no one has one for me.

Regards,
Corinna





Am 30.07.13 10:20, schrieb Olaf Bergmann:

Zach Shelby <[e-mail]><mailto:[e-mail]> writes:



Hi Corinna,

On Jul 30, 2013, at 7:16 AM, Corinna Schmitt <[e-mail]><mailto:[e-mail]> wrote:



Just for information concerning our draft
http://tools.ietf.org/html/draft-schmitt-two-way-authentication-for-iot-00:
We already started to implemented a solution and evaluated a little
bit. So we would be glad if our draft will be approved and stay in
DICE.


Your draft was actually discussed yesterday in the CoRE WG meeting in
the scope of general authentication and authorisation in CoRE. This
subject will be out of scope for the first DICE charter as we already
have a couple concrete problems to solve. It is not clear where the
"AA" work will end up, probably in some other new working group, or
maybe in some future re-chartering of DICE.


The discussion yesterday was a bit low on the guidance level how to
proceed. Even if this topic is not the most pressing for DICE, I highly
recommend to work on this space *now*.

Corinna, maybe we could team up with the other authors of the relevant
drafts to find out what the next steps are? We had a quick talk with
Göran yesterday, and he also had the impression that the WG could have
been more active in giving feedback on these drafts.

Gruesse
Olaf
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